He told Sky News’ Sophy Ridge on Sunday programme: “The European Union will know that the rest of the world is looking at the commission at how it conducts itself.
“If contracts and undertakings get broken that is a very damaging thing to happen for a trading bloc which prides itself on the rule of law.
“It would be counterproductive because the one thing we know about vaccine production and manufacturing is that it is collaborative.
“How the vaccine is manufactured involves countries not just in Europe, not just the United Kingdom, but even further afield in such places as India.
“If we start to unpick that, if the commission were to start to do that, I think they would undermine not only their citizens’ chances of having a proper vaccine programme, but also many other countries around the world with the reputational damage to the EU, I think, they would find very hard to change over the short-term.”